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Guesswho??shediscoveredanoveltherapyagainstMalaria(疟疾).ShewasawardedtheNobelPrizeinPhysiologyorMedicine2015.GuessingGuessingGuessingYouyouTuYouyouTu1Guesswho??GuessingGuessingGuessingHispeaplantexperimentgainedhimthefameasthefounderofthemodernscienceofgenetics.Hewasabiologistandwhatheresearchedestablishedmanyoftherulesofheredity(遗传).GregorMendel2Guesswho??HerbirthwasannouncedonFebruary22,1997.Shewasthefirstmammal(哺乳动物)tobecloned.GuessingGuessingGuessingDollythesheepDollythesheep3CloningandDNACloningandDNA东北师大附中苏亮亮4Part11WhatisDNA?Reading:Whatisaclone?DNAisatransparenttwistingladdermadeofthefundamentalcomponentsoflife.Whatiscloning?CloningtakestheDNAfromasinglecelltocreateawholenewindividual.Acloneisanorganismwhichisgeneticallyidenticaltoanotherone.5Reading11Reading:Thethreestagesofthedevelopmentofthescienceofgeneticsandcloning:In1866In1953In1973Mendelfirstrecordedresultsofgrowingpeaplants.WatsonandCrickdiscoveredthestructureoftheacidDNA.CohenandBoyerdiscoveredtheproceduretounziptheDNA.In1997thefirstmammalDollywascloned.6Discussion:Whatwouldyouliketoclone?7ReadinganddiscussionTohavechildrenToclonetalentsTogetstemcellsToclonestronganimalsandcropsReasons8ReadinganddiscussionAnti-humanityLosingbiodiversityAnevilEinsteinPsychologicalpressure910大家应该也有点累了，稍作休息大家应该也有点累了，稍作休息大家有疑问的，可以询问和交流大家有疑问的，可以询问和交流AnItaliandoctorwantstooffercloningasanoptionaltreatmentforcoupleswhofinditdifficulttohavechildren.Readinganddiscussionanyonewhowasacloneofoneoftheirparentswouldbethroughouttheirchildhood.underunknownpsychologicalpressureBut11couldhelpsomeonerecoverfromadisease,repairhumantissue,orhelpthemwalkagainafteranaccident.Thesestemcellswouldneedtocomefromanembryotakenfromthecloneofsomeone.Buttheembryowouldthenbewasted,______________________________________________________Readinganddiscussionwhichmanypeoplefindunacceptable,becausethatisanti-humanity.Stemcells12Somescientistsandfarmersthinkitwouldbehandytoclone,forexample,acowwhichcanresistbacteriaordisease,ortosowaclonedcropwhichcanresistrotorpests.But______________________________________________________________________Readinganddiscussiontorelyonafewclonedanimalsorcropswouldrestrictthebiodiversityofthebreed.BringsomefoodsecurityproblemsAndbreakthebalanceofthenature.13TocloneornottoTocloneornottoclone?clone?Yourvoice14ThankThankyou!you!HomeworkHomework15